48187521 has 8 divisors (see below), whose sum is σ = 71388960. Its totient is φ = 32124996.

The previous prime is 48187481. The next prime is 48187523. The reversal of 48187521 is 12578184.

It is not a de Polignac number, because 48187521 - 2¹⁵ = 48154753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48187523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892335 + ... + 892388.

It is an arithmetic number, because the mean of its divisors is an integer number (8923620).

Almost surely, 2^48187521 is an apocalyptic number.

It is an amenable number.

48187521 is a deficient number, since it is larger than the sum of its proper divisors (23201439).

48187521 is a wasteful number, since it uses less digits than its factorization.

48187521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784732 (or 1784726 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 48187521 is about 6941.7232010503. The cubic root of 48187521 is about 363.8967650927.

The spelling of 48187521 in words is "forty-eight million, one hundred eighty-seven thousand, five hundred twenty-one".